XAFS Determination of Pb and Cd Speciation with Siderophores and the Metal/Siderophore/Kaolinite System
Journal Article
·
· AIP Conference Proceedings
- Department of Physics, University of Notre Dame, Notre Dame, IN 46556 (United States)
- Department of Civil Engineering and Geological Sciences, University of Notre Dame, Notre Dame, IN 46556 (United States)
We provide evidence for hexadentate complexes of Pb2+ and Cd2+ with the trihydroxamate siderophore desferrioxamine B (DFO-B) at pH 7.5, and 9.0, respectively. Analysis of the species of Pb2+ and Cd2+ adsorbed at the surface of kaolinite clay under the same pH conditions and in the presence of DFO-B indicate that Pb2+ is sorbed as a metal-siderophore complex while Cd2+ is not.
- OSTI ID:
- 21054591
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 882; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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